PIN DIODE FEEDBACK LIMITERS
Feedback limiters are designed to have lower threshold and leakage levels than
those of conventional limiters in order to protect more sensitive components.
They incorporate input PIN diode limiters which are driven by one or more
schottky detector diodes. Most circuits include DC blocks, which are required
for proper operation.
In some very low frequency models, it is not possible to include DC blocks. The
application must be such that no low impedance DC path from the center
conductor to ground exists outside the unit. The limiter threshold (1dB
compression) is typically +5dBm.
Feedback limiters will also handle peak power levels above 100W (1usec pulse
width, 0.001 duty cycle, and 1kHz repetition rate). Peak leakages are higher
than CW leakages as they are with conventional limiters. This becomes
exaggerated at frequencies below 2GHz.
Features:
•
Low Insertion Loss
•
Low Leakage Power Circuit Protection
•
High CW Power Handling
•
Hermetically Sealed Modules
•
Assorted Package Styles
•
Custom Designs Available
Frequency
Range
(GHz)
0.02 - 0.1
0.1 - 0.2
0.02 - 0.5
0.03 - 1
0.1 - 1
0.1 - 2
0.5 - 2
1-2
2-4
0.5 - 6
0.5 - 8
2-8
4-8
0.4 - 12
8 - 12
1 - 18
2 - 18
6 - 18
8 - 18
18 - 26.5
Part
Number
ACLM4885F
ACLM4769F
ACLM4594F
ACLM4675F
ACLM4786F
ACLM4800F
ACLM4650F
ACLM4586F
ACLM4732F
ACLM4700F
ACLM4759F
ACLM4504F
ACLM4572F
ACLM4727F
ACLM4571F
ACLM4618F
ACLM4619F
ACLM4616F
ACLM4797F
ACLM4809F
Peak
Input
Power
(Watts) *(3)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
CW
Input
Power
(Watts) *(2,3)
1
1
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Maximum
Flat Leakage
(CW Power)
(+dBm)
15
11
13.5
13.5
13.5
13.5
13.5
13.5
13.5
13.5
13.5
13
13
13
13
13
13
13
13
15
Maximum
Insertion
Loss
(dB) *(1)
0.5
0.5
0.4
0.3
0.3
0.5
0.5
0.5
0.6
0.8
1.0
0.8
1.0
1.5
1.5
2.4
2.4
2.4
2.4
2.8
Maximum
VSWR
1.7:1
1.7:1
1.3:1
1.3:1
1.3:1
1.3:1
1.4:1
1.3:1
1.4:1
1.5:1
1.7:1
1.5:1
1.8:1
1.8:1
1.8:1
2.4:1
2.2:1
2.2:1
2.2:1
2.0:1
Standard
Case
Styles
C3
C36
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C36
C36
C36
C36
C36
Optional
Case
Styles
C36,M10,M22
C3,M10,M22
C36,M10,M22
C36,M10,M22
C36,M10,M22
C36,C37,M10,M22
C36,C37,M10,M22
C36,C37,M10,M22
C36,C37,M22
C36,C37,M22
C36,C37,M22
C36,C37,M22
C36,C37,M22
C36,C37,M22
C36,C37,M22
C37,M22
C37,M22
C37,M22
C37,M22
C37,M22
NOTES:
1) CW leakage is measured at 1W input.
2) Higher power handling available. Contact the factory to discuss specific requirements.
3) Power handling is linearly derated from full power at +25°C to zero power at +150°C.
611 Industrial Way West, Eatontown, NJ 07724
tel: 732-460-0212 fax: 732-460-0214
sales@advanced-control.com
www.advanced-control.com
ENVIRONMENTAL SPECIFICATIONS:
MIL-E-5400, MIL-STD-202, MIL-E-16400
Operating Temp: -65°C to +125°C
Storage Temp: -65°C to +150°C
Humidity: MIL-STD-202F, M103, Cond B
Shock: MIL-STD-202F, M213, Cond B
Altitude: MIL-STD-202F, M105, Cond B
Vibration : MIL-STD-202F, M204, Cond B
Thermal Shock: MIL-STD-202F, M107, Cond A
Temperature Cycle: MIL-STD-202F, M105C, Cond D
SCREENING :
Standard Screening:
Internal Visual per MIL-STD-883, Method 2017
Temperature Cycle: -65°C to +100°C, 10 cycles
Optional High-Rel Screening (Ref MIL-PRF-38534):
Internal Visual per MIL-STD-883, Method 2017
Stabilization Bake per MIL-STD-883, Method 1008
Temperature Cycle per MIL-STD-883, Method 1010
Constant Acceleration per MIL-STD-883, Method 2001
Burn-in per MIL-STD-883, Method 1015
Leak Test per MIL-STD-883, Method 1014
External Visual per MIL-STD-883, Method 2009
SMA MALE
(INPUT)
1.32±0.020
Ø0.312
0.07
1.282±.010
0.525
(REF)
0.26
0.250
1.417
0.530
(REF.)
0.26
0.07
0.250
0.48
0.625
0.48
SMA
MALE
INPUT
Ø0.100±.005
THRU (2) PLCS.
0.625
SMA FEMALE
(OUTPUT)
SMA
FEMALE
INPUT
Ø0.100±0.005
THRU (2) PLCS.
SMA
FEMALE
OUTPUT
SMA
FEMALE
OUTPUT
CASE STYLE C3
(0.440 REF.)
0.320
0.050
(4) PLCS.
1
2
CASE STYLE C37
CASE STYLE C36
0.270
SQ. MAX.
10
9
8
7
6
0.015±.002
TYP.
0.120
0.080
0.532
0.250
0.120
0.200
3
4
5
0.045
0.085
0.080
MAX.
0.005±.002
Ø0.012
TYP.
INPUT
C
L
OUTPUT
0.246
±.003
0.129
PIN
1
2
3
4
5
CONNECTION
N/C
INPUT
N/C
N/C
GND
PIN
10
9
8
7
6
CONNECTION
GND
N/C
N/C
OUTPUT
N/C
0.058
TYP.
CASE STYLE M10
CASE STYLE M22
Part Number Ordering Information:
Example: ACLM4504FC3R1K
ACLM4504F: Feedback limiter, 2 – 8GHz
C3: Package type
R: Reversed connectors (omit for standard configuration)
1K: 1kW peak power handling (omit for standard 100W peak power handling)
LMF-0205
611 Industrial Way West, Eatontown, NJ 07724
tel: 732-460-0212 fax: 732-460-0214
sales@advanced-control.com
www.advanced-control.com
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